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(b) An unknown mass of Na;PO<(s) is dissolved in water to form 50.00 mL of solution. This is Solution A. Then 10.00 mL of Solution A is diluted with water to 50.00 mL. The final solution is Solution B. 20.00 mL of Solution B contains 4.408 × 1020 sodium ions. (NA = 6.022 × 1023 mol-1) Calculate the mass of Na3PO4(s) that was dissolved to form Solution A.

(b) An unknown mass of Na;PO<(s) is dissolved in water to form 50.00 mL of solution. This is Solution A. Then 10.00 mL of Solution A is diluted with water to 50.00 mL. The final solution is Solution B. 20.00 mL of Solution B contains 4.408 × 1020 sodium ions. (NA = 6.022 × 1023 mol-1) Calculate the mass of Na3PO4(s) that was dissolved to form Solution A.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
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(b) An unknown mass of Na;PO<(s) is dissolved in water to form 50.00 mL of solution. This is Solution A. Then 10.00 mL of Solution A is diluted with water to 50.00 mL. The final solution is Solution B. 20.00 mL of Solution B contains 4.408 × 1020 sodium ions. (NA = 6.022 × 1023 mol-1) Calculate the mass of Na3PO4(s) that was dissolved to form Solution A.
Transcribed Image Text:(b) An unknown mass of Na;PO<(s) is dissolved in water to form 50.00 mL of solution. This is Solution A. Then 10.00 mL of Solution A is diluted with water to 50.00 mL. The final solution is Solution B. 20.00 mL of Solution B contains 4.408 × 1020 sodium ions. (NA = 6.022 × 1023 mol-1) Calculate the mass of Na3PO4(s) that was dissolved to form Solution A.
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